Question

Radon is a radioactive gas used for cancer treatment.

• A. True
• B. False

Answer 1

The correct option is A True

Nobel gas

• They are also called inert gas.
• They do not react with other elements.
• They are stable in nature.
• Example- helium, neon, argon etc.

Radon-

• It is a noble gas.
• It is a colourless and odorless gas.
• It is a radioactive element.

Hence,

The given statement is true as radon is a radioactive gas used for cancer treatment.